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fix: make sure setTimeout exists on global #400

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Merged
merged 1 commit into from
Nov 6, 2019
Merged

fix: make sure setTimeout exists on global #400

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4 changes: 3 additions & 1 deletion src/helpers.js
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,9 @@ const globalObj = typeof window === 'undefined' ? global : window
// Currently this fn only supports jest timers, but it could support other test runners in the future.
function runWithRealTimers(callback) {
const usingJestFakeTimers =
globalObj.setTimeout._isMockFunction && typeof jest !== 'undefined'
globalObj.setTimeout &&
globalObj.setTimeout._isMockFunction &&
typeof jest !== 'undefined'

if (usingJestFakeTimers) {
jest.useRealTimers()
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